实现二维码扫码支付解析与处理

def solve():
    from pyodide.http import open_url
    account_types_csv = open_url(____).read()
    payment_channels_csv = open_url(____).read()
    accounts_csv = open_url(____).read()
    transfers_csv = open_url(____).read()
    bills_csv = open_url(____).read()
    qr = '____'
    parts = qr.split(____)
    if len(____) == ____ and parts[____] == '____' and parts[____] == '____':
        _, _, account_no, rest = parts
        amount_str, nonce = rest.rsplit(____)
        parsed = {"____": account_no, "____": float(____), "____": nonce}
        print(____)
        print(____)
    else:
        print(____)